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Windows 7: Meaning of properties reported by Disk Management

25 Oct 2015   #11
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Hi,
Yep that's just the way oem manufacture sell machines,
They can't figure out how to stuff all of their crapware on a disk so they occupy 2 partitions instead

They also do not provide clean windows 7 install disks because everyone would use them as soon as they receive it or the warrantee expires on the machine

Which is what you should do if you can get a win-7 iso of the same version the machine has on it now
Wipe the drive and clean install.
The 2 partitions or the utility that does the system store to factory state will eventually become corrupt and not work anyway soon enough.


My System SpecsSystem Spec
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25 Oct 2015   #12
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

When people use the word (Flag) it means the partition that has the word (active).

I have never used a store bought computer so I don't know how Dell sets up their system. The word (system) means that is the partition that Windows boots with.
You only need one (system) partition per operating system installed.


Attached Thumbnails
Meaning of properties reported by Disk Management-disk-management.png  
My System SpecsSystem Spec
25 Oct 2015   #13
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit
 
 

Quote   Quote: Originally Posted by DavidOdden View Post
Okay, here it is. There are the verbal descriptions, but no flags, and no menu items suggesting that there's any such thing.
The odd thing I notice about this drive is that no partition is flagged as "system".

I don't know why that is.

I'd guess that boot files are on the OEM partition, since it's a Dell, but for some reason you don't see the "system" flag.

Mine is below.

Disk 0 is Windows and applications, containing all flags on this single C partition.

Disk 1 is Linux. Disk 2 is data. Disk 3 is data backup.


Attached Thumbnails
Meaning of properties reported by Disk Management-untitled-1.jpg  
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25 Oct 2015   #14
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

My understanding is with a Dell and maybe other branded computers System, Active, mean the same.

We need another person with a Dell to post a picture.
My System SpecsSystem Spec
26 Oct 2015   #15
DavidOdden

Win7-64 pro; XP
 
 

Thanks to everybody for their input. With a bit more digging around, I picked up a few tidbits. A partial key seems to be understanding the partition table in the MBR, with this being information-starter. Apart from the first byte which identifies bootable / not-bootable, the partition identifier (byte at offset 4 within each entry) encodes other stuff. The assignment of identifier bytes seems to not be standardized although no doubt MS has its own standard. Here is one list and here is another. Using Active@ Disk Editor, I determined that the three partitions on the Vaio have the IDs 27h (not-bootable), 07h (bootable) and 07h (not-bootable). On the Dell, the partitions are DEh (not-bootable), 27h (bootable) and 07h (not-bootable). It may be that Disk Management assigns different interpretations to partitions depending on an interaction between these flags. MS says here that 27h has the special meaning "utility partition". Further information would presumably be contained in the volume boot record of the individual partition, which seems to be described in detail here though it will take weeks for me to understand it.
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 Meaning of properties reported by Disk Management




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